[Amps] QEX Innovative Tube Linear?

[R L Measures]

Sweep tubes are fairly linear in g-g configuration.

On Jul 7, 2006, at 6:50 AM, zdtech wrote:

> Hi Dick
>
> Most interesting, i just wonder how they went about improving the
> terrible IMD from Sweep tubes? It would  be great if the same  
> technique
> could be used with some better quality transmitting tubes.  What
> magnitude of improvement in 3rd order IMD could the author of the
> article achieve? I look forward to reading about it.
>
> Craig
> VK3HE
>
>
> Dick Hanson wrote:
>> It is a combination of TV sweep tubes with a HV switching supply.
>> Pretty decent 3rd and 5th order distortion products.
>> It only works on frequencies below 20 meters. It is quite small.
>> That's about it.
>> 73
>> Dick, K5AND
>>
>> -----Original Message-----
>> From: amps-bounces at contesting.com [mailto:amps- 
>> bounces at contesting.com] On
>> Behalf Of zdtech
>> Sent: Friday, July 07, 2006 8:22 AM
>> To: amps at contesting.com
>> Subject: [Amps] QEX Innovative Tube Linear?
>>
>> Anyone receive their July/August copy QEX? There is an article in  
>> there
>> called  "A Innovative Tube Linear" I am just wondering what is so
>> innovative about the linear? My issue  of QEX arrives quite late  
>> after
>> the US publication date, so i was wondering if its something to look
>> forward too.
>>
>> Craig
>> VK3HE
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>>
>
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R L MEASURES, AG6K. 805-386-3734
r at somis.org